Pseudowire Name Spaces (PWE3)

Created
2005-12-12
Last Updated
2022-12-01
Available Formats

XML
HTML
TXT

Registries Included Below

MPLS Pseudowire Types Registry

Expert(s)
Stewart Bryant, Andrew Malis, Matthew Bocci
Reference
[RFC 4446]
Note
When this registry is modified, the YANG module [iana-pseudowire-types]
must be updated as defined in [RFC 9291].
Available Formats

CSV
Range Registration Procedures Note
31-1024 Expert Review
1025-4096 IETF Review
4097-32766 First Come First Served reserved for vendor proprietary extensions
32767 IETF Review
PW Type Description Reference
0x0001 Frame Relay DLCI ( Martini Mode ) [RFC 4619]
0x0002 ATM AAL5 SDU VCC transport [RFC 4717]
0x0003 ATM transparent cell transport [RFC 4717]
0x0004 Ethernet Tagged Mode [RFC 4448]
0x0005 Ethernet [RFC 4448]
0x0006 HDLC [RFC 4618]
0x0007 PPP [RFC 4618]
0x0008 SONET/SDH Circuit Emulation Service Over MPLS Encapsulation [RFC 5143]
0x0009 ATM n-to-one VCC cell transport [RFC 4717]
0x000A ATM n-to-one VPC cell transport [RFC 4717]
0x000B IP Layer2 Transport [RFC 3032]
0x000C ATM one-to-one VCC Cell Mode [RFC 4717]
0x000D ATM one-to-one VPC Cell Mode [RFC 4717]
0x000E ATM AAL5 PDU VCC transport [RFC 4717]
0x000F Frame-Relay Port mode [RFC 4619]
0x0010 SONET/SDH Circuit Emulation over Packet [RFC 4842]
0x0011 Structure-agnostic E1 over Packet [RFC 4553]
0x0012 Structure-agnostic T1 (DS1) over Packet [RFC 4553]
0x0013 Structure-agnostic E3 over Packet [RFC 4553]
0x0014 Structure-agnostic T3 (DS3) over Packet [RFC 4553]
0x0015 CESoPSN basic mode [RFC 5086]
0x0016 TDMoIP AAL1 Mode [RFC 5087]
0x0017 CESoPSN TDM with CAS [RFC 5086]
0x0018 TDMoIP AAL2 Mode [RFC 5087]
0x0019 Frame Relay DLCI [RFC 4619]
0x001A ROHC Transport Header-compressed Packets [RFC 5795][RFC 4901]
0x001B ECRTP Transport Header-compressed Packets [RFC 3545][RFC 4901]
0x001C IPHC Transport Header-compressed Packets [RFC 2507][RFC 4901]
0x001D cRTP Transport Header-compressed Packets [RFC 2508][RFC 4901]
0x001E ATM VP Virtual Trunk ["The Use of Virtual Trunks for ATM/MPLS Control Plane Interworking Specification", MFA Forum 9.0.0, MFA Forum, February 2006.]
0x001F FC Port Mode [RFC 6307]
0x0020-0x1000 Unassigned
0x1001 Proprietary pseudowire implementation carrying CLNP packets [Christian_Schmutzer]
0x1002-0x7FFE Unassigned
0x7FFF Wildcard [RFC 4863]

Pseudowire Interface Parameters Sub-TLV type Registry

Expert(s)
Stewart Bryant, Andrew Malis, Matthew Bocci
Reference
[RFC 4446]
Available Formats

CSV
Range Registration Procedures Note
2-64 Expert Review
65-127 IETF Review
128-254 First Come First Served reserved for vendor proprietary extensions
255 IETF Review
Parameter ID Length Description Reference
0x01 4 Interface MTU in octets [RFC 8077]
0x02 4 Maximum Number of concatenated ATM cells [RFC 4717]
0x03 up to 82 Optional Interface Description string [RFC 8077]
0x04 4 CEP/TDM Payload Bytes [RFC 4842]
0x05 4 CEP options [RFC 4842]
0x06 4 Requested VLAN ID [RFC 4448]
0x07 6 CEP/TDM bit-rate [RFC 4842]
0x08 4 Frame-Relay DLCI Length [RFC 4619]
0x09 4 Fragmentation indicator [RFC 4623]
0x0A 4 FCS retention indicator [RFC 4720]
0x0B 4/8/12 TDM options [RFC 5287]
0x0C 4 VCCV parameter [RFC 5085]
0x0D up to 256 bytes ROHC over MPLS configuration [RFC 3241] [RFC 4901]
0x0E 4 Number of TDMoIP AAL1 cells per packet [RFC 5287]
0x0F up to 256 bytes CRTP/ECRTP/IPHC HC over MPLS configuration [RFC 3544] [RFC 4901]
0x10 4 TDMoIP AAL1 mode [RFC 5287]
0x11 8 or more TDMoIP AAL2 Options [RFC 5287]
0x12 Reserved [RFC 6307]
0x13 Reserved [RFC 6307]
0x14 Reserved [RFC 6307]
0x15 Reserved [RFC 6307]
0x16 4 Stack capability [RFC 6575]
0x17 4 Flow Label [RFC 6391]
0x18 4 PW Generic Protocol Flags [RFC 6478]
0x19 variable VCCV Extended CV Parameter [RFC 7189]
0x1A 8 E-Tree [RFC 7796]
0x1B variable Selective Tree Interface Parameter [RFC 8338]
0x1C-0xFC Unassigned
0xFD up to 8 Zte optional Supplier private interface parameters [Zhu_Wei]
0xFE-0xFF Unassigned

Attachment Individual Identifier Type Registry

Expert(s)
Stewart Bryant, Andrew Malis, Matthew Bocci
Reference
[RFC 4446]
Available Formats

CSV
Range Registration Procedures Note
2-64 Expert Review
65-127 IETF Review
128-254 First Come First Served reserved for vendor proprietary extensions
255 IETF Review
AII Type Length Description Reference
0x01 4 A 32 bit unsigned number local identifier [RFC 6074]
0x02 variable 8 or 12 Aggregate Identifier [RFC 5003]
0x03 variable 1 to 33 ATM/FR Control Channel ["ATM and Frame Relay to MPLS Control Plane Interworking: Client-Server", MFA Forum 10.0.0, MFA Forum, September 2006.]
0x04 variable 3 to 35 ATM/FR Signaling Call Reference ["ATM and Frame Relay to MPLS Control Plane Interworking: Client-Server", MFA Forum 10.0.0, MFA Forum, September 2006.]
0x05 variable 2 to 30 Frame Relay Port and Connection Identifier [Soft Permanent Virtual Circuit Interworking between MPLS Pseudowires and ATM, MFA Forum, work in progress (this specification is at the baseline text stage).]
0x06 variable 2 to 30 ATM Port and Connection Identifier [Soft Permanent Virtual Circuit Interworking between MPLS Pseudowires and ATM, MFA Forum, work in progress (this specification is at the baseline text stage).]

Attachment Group Identifier (AGI) Type Registry

Expert(s)
Stewart Bryant, Andrew Malis, Matthew Bocci
Reference
[RFC 4446]
Available Formats

CSV
Range Registration Procedures Note
2-64 Expert Review
65-127 IETF Review
128-254 First Come First Served reserved for vendor proprietary extensions
255 IETF Review
AGI Type Length Description Reference
0x01 8 Extended Community [RFC 6074]

Pseudowire Status Codes Registry

Registration Procedure(s)
Expert Review
Expert(s)
Stewart Bryant, Andrew Malis, Matthew Bocci
Reference
[RFC 4446]
Available Formats

CSV
Bit Mask Description Reference
0x00000000 Pseudowire forwarding (clear all failures) [RFC 8077][RFC 4446]
0x00000001 Pseudowire Not Forwarding [RFC 8077][RFC 4446]
0x00000002 Local Attachment Circuit (ingress) Receive Fault [RFC 8077][RFC 4446]
0x00000004 Local Attachment Circuit (egress) Transmit Fault [RFC 8077][RFC 4446]
0x00000008 Local PSN-facing PW (ingress) Receive Fault [RFC 8077][RFC 4446]
0x00000010 Local PSN-facing PW (egress) Transmit Fault [RFC 8077][RFC 4446]
0x00000020 PW Preferential Forwarding Status [RFC 6870]
0x00000040 PW Request Switchover Status [RFC 6870]

Pseudowire Associated Channel Types

Reference
[RFC 4385][RFC 5586][RFC Errata 1940][RFC 7026][RFC 7214]
Note
Renamed "MPLS Generalized Associated Channel (G-ACh) Types (including Pseudowire 
Associated Channel Types)" and moved to [https://www.iana.org/assignments/g-ach-parameters]  
per [RFC 7214].

Associated Channel Header TLV Registry (DELETED)

Reference
[RFC 5586][RFC 7026]
Note
Registry deleted per [RFC 7026].

Header Compression Over MPLS PW Control Word Packet Type

Registration Procedure(s)
Expert Review
Reference
[RFC 4901]
Available Formats

CSV
Packet Type Description
0 ROHC Small-CIDs
1 ROHC Large-CIDs
2 FULL_HEADER
3 COMPRESSED_TCP
4 COMPRESSED_TCP_NODELTA
5 COMPRESSED_NON_TCP
6 COMPRESSED_RTP_8
7 COMPRESSED_RTP_16
8 COMPRESSED_UDP_8
9 COMPRESSED_UDP_16
10 CONTEXT_STATE
11-15 Unassigned

MPLS VCCV Control Channel (CC) Types

Registration Procedure(s)
IETF Review
Reference
[RFC 5085]
Note
Bit numbering: In this sub-registry, the most significant (high order) bit
is labeled Bit 7, and the least significant (low order) bit is labeled Bit 0,
see parenthetical "Value".
Available Formats

CSV
Bit (Value) Description Reference
0 (0x01) Type 1: PWE3 Control Word with 0001b as first nibble (PW-ACH, see [RFC 4385]) [RFC 5085]
1 (0x02) Type 2: MPLS Router Alert Label [RFC 5085]
2 (0x04) Type 3: MPLS PW Label with TTL == 1 [RFC 5085]
3 (0x08) Type 4: GAL [RFC 7708]
4 (0x10) Reserved [RFC 5085]
5 (0x20) Reserved [RFC 5085]
6 (0x40) Reserved [RFC 5085]
7 (0x80) Reserved [RFC 5085]

MPLS VCCV Connectivity Verification (CV) Types

Registration Procedure(s)
IETF Review
Reference
[RFC 5085]
Note
Bit numbering: In this sub-registry, the most significant (high order) bit
is labeled Bit 7, and the least significant (low order) bit is labeled Bit 0,
see parenthetical "Value".
Available Formats

CSV
Bit (Value) Description Reference
0 (0x01) ICMP Ping [RFC 5085]
1 (0x02) LSP Ping [RFC 5085]
2 (0x04) BFD IP/UDP-encapsulated, for PW Fault Detection only [RFC 5885]
3 (0x08) BFD IP/UDP-encapsulated, for PW Fault Detection and AC/PW Fault Status Signaling [RFC 5885]
4 (0x10) BFD PW-ACH-encapsulated, for PW Fault Detection only [RFC 5885]
5 (0x20) BFD PW-ACH-encapsulated, for PW Fault Detection and AC/PW Fault Status Signaling [RFC 5885]
6 (0x40) S-BFD IP/UDP-encapsulated, for PW Fault Detection only [RFC 7885]
7 (0x80) S-BFD PW-ACH-encapsulated, for PW Fault Detection only [RFC 7885]

Pseudowire Switching Point PE sub-TLV Type

Expert(s)
Primary: Stewart Bryant; secondary: Matthew Bocci
Reference
[RFC 6073]
Available Formats

CSV
Range Registration Procedures Note
0 IETF Review
1-64 Expert Review
65-127 IETF Review
128-254 First Come First Served reserved for vendor proprietary extensions
255 IETF Review
Type Length Description Reference
0x00 Unassigned
0x01 4 PWid of last PW segment traversed [RFC 6073]
0x02 variable PW Switching Point description string [RFC 6073]
0x03 4/16 Local IP address of PW Switching Point [RFC 6073]
0x04 4/16 Remote IP address of last PW Switching Point traversed or of the T-PE [RFC 6073]
0x05 variable FEC Element of last PW segment traversed [RFC 6073]
0x06 14 L2 PW address of PW Switching Point [RFC 6073][RFC 7267]
0x07 24 Static PW/MPLS-TP PW segment ID of last PW segment traversed [RFC 6478]
0x08-0xFF Unassigned

CC/CV MEP-ID TLV Registry

Reference
[RFC 6428][RFC 7214]
Note
Moved to [https://www.iana.org/assignments/g-ach-parameters]  
per [RFC 7214].

PW Generic Protocol Flags

Registration Procedure(s)
IETF Review
Reference
[RFC 6478]
Available Formats

CSV
Bit (Value) Description Reference
0 (0x0001) S-PE bypass mode [RFC 6478]
1-15 (0x0002-0x8000) Unassigned

L2VPN PE Stack Capabilities

Registration Procedure(s)
IETF Review
Reference
[RFC 6575]
Available Formats

CSV
Bit (Value) Description Reference
0 (0x0001) IPv6 stack capability [RFC 6575]
1-15 (0x0002-0x8000) Unassigned

G-ACh Advertisement Protocol Application Registry

Reference
[RFC 7212][RFC 7214]
Note
Moved to [https://www.iana.org/assignments/g-ach-parameters]  
per [RFC 7214].

G-ACh Advertisement Protocol TLV Registry

Reference
[RFC 7212][RFC 7214]
Note
Moved to [https://www.iana.org/assignments/g-ach-parameters]  
per [RFC 7214].

G-ACh Advertisement Protocol: Ethernet Interface Parameters

Reference
[RFC 7213][RFC 7214]
Note
Moved to [https://www.iana.org/assignments/g-ach-parameters]  
per [RFC 7214].

VCCV Extended CV Types

Registration Procedure(s)
IETF Review
Reference
[RFC 7189]
Available Formats

CSV
Bit (Value) Description Reference
Bit 0 (0x01) Independent mode for PW Fault Detection only [RFC 7189]
Bit 1 (0x02) Independent mode for PW Fault Detection and AC/PW Fault Status Signaling [RFC 7189]
Bit 2 (0x04) Coordinated mode for PW Fault Detection only [RFC 7189]
Bit 3 (0x08) Coordinated mode for PW Fault Detection and AC/PW Fault Status Signaling [RFC 7189]
Bit 4-7 (0x10-0x80) Unassigned

ICC RG Parameter Types

Expert(s)
Stewart Bryant, Matthew Bocci
Reference
[RFC 7275]
Available Formats

CSV
Range Registration Procedures Note
0x0000 IETF Review
0x003B-0x1FFF Expert Review
0x2000-0x2FFF IETF Review
0x3000-0x3FFE First Come First Served Vendor Proprietary Extensions
0x3FFF IETF Review
Type Description Reference
0x0000 Unassigned
0x0001 ICC Sender Name [RFC 7275]
0x0002 NAK TLV [RFC 7275]
0x0003 Requested Protocol Version TLV [RFC 7275]
0x0004 Disconnect Code TLV [RFC 7275]
0x0005 ICC RG ID TLV [RFC 7275]
0x0006-0x000F Reserved [RFC 7275]
0x0010 PW-RED Connect TLV [RFC 7275]
0x0011 PW-RED Disconnect TLV [RFC 7275]
0x0012 PW-RED Config TLV [RFC 7275]
0x0013 Service Name TLV [RFC 7275]
0x0014 PW ID TLV [RFC 7275]
0x0015 Generalized PW ID TLV [RFC 7275]
0x0016 PW-RED State TLV [RFC 7275]
0x0017 PW-RED Synchronization Request TLV [RFC 7275]
0x0018 PW-RED Synchronization Data TLV [RFC 7275]
0x0019 PW-RED Disconnect Cause TLV [RFC 7275]
0x001A-0x002F Reserved [RFC 7275]
0x0030 mLACP Connect TLV [RFC 7275]
0x0031 mLACP Disconnect TLV [RFC 7275]
0x0032 mLACP System Config TLV [RFC 7275]
0x0033 mLACP Port Config TLV [RFC 7275]
0x0034 mLACP Port Priority TLV [RFC 7275]
0x0035 mLACP Port State TLV [RFC 7275]
0x0036 mLACP Aggregator Config TLV [RFC 7275]
0x0037 mLACP Aggregator State TLV [RFC 7275]
0x0038 mLACP Synchronization Request TLV [RFC 7275]
0x0039 mLACP Synchronization Data TLV [RFC 7275]
0x003A mLACP Disconnect Cause TLV [RFC 7275]
0x003B-0x1FFF Unassigned
0x2000 STP Connect TLV [RFC 7727]
0x2001 STP Disconnect TLV [RFC 7727]
0x2002 STP System Config TLV [RFC 7727]
0x2003 STP Region Name TLV [RFC 7727]
0x2004 STP Revision Level TLV [RFC 7727]
0x2005 STP Instance Priority TLV [RFC 7727]
0x2006 STP Configuration Digest TLV [RFC 7727]
0x2007 STP Topology Changed Instances TLV [RFC 7727]
0x2008 STP CIST Root Time TLV [RFC 7727]
0x2009 STP MSTI Root Time TLV [RFC 7727]
0x200A STP Synchronization Request TLV [RFC 7727]
0x200B STP Synchronization Data TLV [RFC 7727]
0x200C STP Disconnect Cause TLV [RFC 7727]
0x200D PON Connect TLV [RFC 8024]
0x200E PON Disconnect TLV [RFC 8024]
0x200F PON Configuration TLV [RFC 8024]
0x2010 PON State TLV [RFC 8024]
0x2011-0x3FFF Unassigned

PSN Tunnel Sub-TLV Name Space

Registration Procedure(s)
IETF Review
Reference
[RFC 7965]
Available Formats

CSV
Value Description Reference
0 Reserved [RFC 7965]
1 IPv4 PSN Tunnel sub-TLV [RFC 7965]
2 IPv6 PSN Tunnel sub-TLV [RFC 7965]
3-254 Unassigned
255 Reserved [RFC 7965]

PW Status Refresh Reduction Control Messages

Expert(s)
Stewart Bryant, Andrew Malis
Reference
[RFC 8237]
Available Formats

CSV
Range Registration Procedures
0x00 IETF Review
0x03-0x40 Expert Review
0x41-0x7F IETF Review
0x80-0xFE Expert Review
0xFF IETF Review
Type Message Description Reference
0x00 Unassigned
0x01 Notification message [RFC 8237]
0x02 PW Configuration Message [RFC 8237]
0x03-0xFF Unassigned

PW Status Refresh Reduction Configuration Message Sub-TLVs

Expert(s)
Stewart Bryant, Andrew Malis
Reference
[RFC 8237]
Available Formats

CSV
Range Registration Procedures
0x00 IETF Review
0x04-0x40 Expert Review
0x41-0x7F IETF Review
0x80-0xFE Expert Review
0xFF IETF Review
sub-TLV Type Description Reference
0x00 Unassigned
0x01 MPLS-TP Tunnel ID [RFC 8237]
0x02 PW ID Configured List [RFC 8237]
0x03 PW ID Unconfigured List [RFC 8237]
0x04-0xFF Unassigned

PW Status Refresh Reduction Notification Codes

Expert(s)
Stewart Bryant, Andrew Malis
Reference
[RFC 8237]
Available Formats

CSV
Range Registration Procedures
0x00000000 IETF Review
0x00000008-0x00010000 Expert Review
0x00010001-0x08000000 IETF Review
0x08000001-0xFFFFFFFE Expert Review
0xFFFFFFFF IETF Review
Code Error? Description Reference
0x00000000 No Null Notification [RFC 8237]
0x00000001 No PW configuration mismatch [RFC 8237]
0x00000002 Yes PW Configuration TLV conflict [RFC 8237]
0x00000003 No Unknown TLV (U-Bit=1) [RFC 8237]
0x00000004 Yes Unknown TLV (U-Bit=0) [RFC 8237]
0x00000005 No Unknown Message Type [RFC 8237]
0x00000006 No PW configuration not supported [RFC 8237]
0x00000007 Yes Unacknowledged control message [RFC 8237]
0x00000008-0xFFFFFFFF Unassigned

PW Status Refresh Reduction Message Flags

Registration Procedure(s)
IETF Review
Reference
[RFC 8237]
Available Formats

CSV
Bit Position Name Description Reference
0 Unknown flag bit [RFC 8237]
1 Configuration flag bit [RFC 8237]
2-7 Unassigned

Contact Information

ID Name Contact URI Last Updated
[Christian_Schmutzer] Christian Schmutzer mailto:cschmutz&cisco.com 2022-03-29
[Zhu_Wei] Zhu Wei mailto:zhu.wei120&zte.com.cn 2016-05-09